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假设题易混的选项
假设题中,一些选项,我总是误认为是假设,请大家帮助.如何区分假设与混淆选项.
DF-CR14-15,16
Questions 15-16 are based on the following.
Roland: The alarming fact is that 90 percent of the
people in this country now report that they know
someone who is unemployed.
Sharon: But a normal, moderate level of unemployment
is 5 percent, with 1 out of 20 workers unem-
ployed. So at any given time if a person knows
approximately 50 workers, 1 or more will very
likely be unemployed.
16. Sharon's argument relies on the assumption that
(A) normal levels of unemployment are rarely
exceeded
(B) unemployment is not normally concentrated in
geographically isolated segments of the population
答案:B,A如何判断不是假设.
Bank depositors in the United States are all financially
protected against bank failure because the government
insures all individuals' bank deposits. An economist argues that this insurance is partly responsible for the high rate of bank failures, since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure. If depositors were more selective, then banks would need to be secure in order to compete for depositors' money.
7. The economist's argument makes which of the follow-
ing assumptions?
(A) Bank failures are caused when big borrowers
default on loan repayments.
(B) A significant proportion of depositors maintain
accounts at several different banks.
(C) The more a depositor has to deposit, the more
careful he or she tends to be in selecting a
bank.
(D) The difference in the interest rates paid to deposi-
tors by different banks is not a significant
factor in bank failures.
(E) Potential depositors are able to determine which
banks are secure against failure.
D为何不是假设呢?如何判断?
谢谢.
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发表于 2003-11-10 15:41:00
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